.container {  
    overflow: auto;
}  
  
.box {  
    float: left; 
    width: 200px;  
    height: 100px;  
    margin-right: 14px;
    text-align: center;   
    line-height: 100px; 
    color: white; 
    font-size: 16px;  
}  
  

 
.container::after {  
    content: "";  
    display: table;  
    clear: both;  
}
.b{
    width: 200px;
    height: 228px;
    margin-right: 14px; 
    text-align: center; 
    line-height: 100px; 
    color: white; 
    font-size: 16px; 
}